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author:("ramet, Sharon")
1.  Effects of independent and substance-induced major depressive disorder on remission and relapse of alcohol, cocaine and heroin dependence 
Addiction (Abingdon, England)  2012;108(1):115-123.
Aims
Little is known about the differential effects of independent and substance-induced major depression on the longitudinal course of alcohol, cocaine and heroin disorders when studied prospectively.
Design
Consecutively admitted in-patients, evaluated at baseline, 6-, 12- and 18-month follow-ups.
Setting
Baseline evaluations in a short-stay in-patient urban community psychiatric hospital unit.
Participants
Adults (n = 250) with current DSM-IV cocaine, heroin and/or alcohol dependence at baseline.
Measurements
The Psychiatric Research Interview for Substance and Mental Disorders (PRISM), used to evaluate independent and substance-induced major depression, alcohol, cocaine and heroin dependence, and other psychiatric disorders. Outcomes for each substance: (i) time (weeks) from hospital discharge to first use; (ii) time from discharge to onset of sustained (≥26 weeks) remission from dependence; (iii) time from onset of sustained remission to relapse.
Findings
Substance-induced major depression significantly predicted post-discharge use of alcohol, cocaine and heroin (hazard ratios 4.7, 5.3 and 6.5, respectively). Among patients achieving stable remissions from dependence, independent major depression predicted relapse to alcohol and cocaine dependence (hazard ratios 2.3 and 2.7, respectively).
Conclusions
Substance-induced and independent major depressions were both related to post-discharge use of alcohol, cocaine and heroin. The findings suggest the importance of clinical attention to both types of depression in substance abusing patients.
doi:10.1111/j.1360-0443.2012.04010.x
PMCID: PMC3767419  PMID: 22775406
Alcohol; cocaine; comorbidity; dependence; heroin; major depression; recovery; relapse
2.  Prospective 2-Year Study of Emergency Department Patients With Early-Phase Primary Psychosis or Substance-Induced Psychosis 
The American journal of psychiatry  2011;168(7):742-748.
Objective
The authors examined treatment utilization and outcomes over 2 years among patients admitted to emergency departments with early-phase primary or substance-induced psychosis. The main hypothesis was that patients with substance-induced psychosis would have a more benign course of illness than those with primary psychosis.
Method
Using a prospective naturalistic cohort study design, the authors compared 217 patients with early-phase primary psychosis plus substance use and 134 patients with early-phase substance-induced psychosis who presented to psychiatric emergency departments at hospitals in Upper Manhattan. Assessments at baseline and at 6, 12, 18, and 24 months included psychiatric diagnoses, service use, and institutional outcomes using the Psychiatric Research Interview for Substance and Mental Disorders; psychiatric symptoms using the Positive and Negative Syndrome Scale; social, vocational, and family functioning using the World Health Organization Psychiatric Disability Assessment Schedule; and life satisfaction using the Quality of Life Interview. Longitudinal analyses were conducted using generalized estimating equations.
Results
Participants with primary psychosis were more likely to receive antipsychotic and mood-stabilizing medications, undergo hospitalizations, and have out-patient psychiatric visits; those with substance-induced psychosis were more likely to receive addiction treatments. Only a minority of each group received minimally adequate treatments. Both groups improved significantly over time on substance dependence, psychotic symptoms, homelessness, and psychosocial outcomes, and few group-by-time interactions emerged.
Conclusions
Patients presenting to Upper Manhattan emergency departments with either early-phase primary psychosis or substance-induced psychosis improved steadily over 2 years despite minimal use of mental health and substance abuse services.
doi:10.1176/appi.ajp.2011.10071051
PMCID: PMC3768258  PMID: 21454918
3.  Assessing Addiction: Concepts and Instruments 
Efficient, organized assessment of substance use disorders is essential for clinical research, treatment planning, and referral to adjunctive services. In this article, we discuss the basic concepts of formalized assessment for substance abuse and addiction, as established by the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision, and describe six widely used structured assessment instruments. Our aim is to help researchers and clinical programs identify the instruments that best suit their particular situations and purposes.
PMCID: PMC2797097  PMID: 18292706
4.  Predictors of Psychosis Remission in Psychotic Disorders That Co-occur With Substance Use 
Schizophrenia Bulletin  2006;32(4):618-625.
Objective: To examine rates and predictors of psychosis remission at 1-year follow-up for emergency admissions diagnosed with primary psychotic disorders and substance-induced psychoses. Method: A total of 319 patients with comorbid psychosis and substance use, representing 83% of the original referred sample, were rediagnosed at 1 year postintake employing a research diagnostic assessment. Remission of psychosis was defined as the absence of positive and negative symptoms for at least 6 months. Likelihood ratio chi-square tests and multivariate logistic regression were the main means of analysis. Results: Of those with a baseline diagnosis of primary psychotic disorder, 50% were in remission at 1 year postintake, while of those with a baseline diagnosis of substance-induced psychosis, 77% were in remission at this time point. Lower Positive and Negative Syndrome Scale (PANSS) symptom levels at baseline, better premorbid functioning, greater insight into psychosis, and a shorter duration of untreated psychosis predicted remission at 1 year in both diagnostic groups. No interaction effects of baseline predictors and diagnosis type were observed. A stepwise multivariate logistic regression holding baseline diagnosis constant revealed the duration of untreated psychosis (odds ratio [OR] = 0.97; 95% confidence interval [CI] = 0.95, 0.997), total PANSS score (OR = 0.98; 95% CI = 0.97, 0.987), Premorbid Adjustment Scale score (OR = 0.13; 95% CI = 0.02, 0.88), and Scale to Assess Unawareness of Mental Disorders unawareness score (OR = 0.84; 95% CI = 0.71, 0.993) as key predictors of psychosis remission. Conclusions: The association of better premorbid adjustment, a shorter duration of untreated psychosis, better insight into psychotic symptoms, and lower severity of psychotic symptoms with improved clinical outcome, reported previously in studies of schizophrenia, generalizes to psychosis remission in psychotic disorders that are substance induced.
doi:10.1093/schbul/sbl007
PMCID: PMC2632269  PMID: 16873441
primary psychosis; substance-induced psychosis; outcome

Results 1-4 (4)